File Access Control Vulnerability in n8n by n8n.io
CVE-2026-25052

9.4CRITICAL

Key Information:

Vendor

N8n-io

Status
N8n
Vendor
CVE Published:
4 February 2026

What is CVE-2026-25052?

n8n, an open-source workflow automation platform, has a vulnerability in its file access controls affecting versions prior to 1.123.18 and 2.5.0. This flaw enables authenticated users with permission to create or modify workflows to gain unauthorized access to sensitive files on the host system. Exploiting this vulnerability could lead to the extraction of crucial configuration data and user credentials, potentially resulting in a full account takeover for any user within the instance. This security issue has been addressed in the subsequent versions.

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Affected Version(s)

n8n < 1.123.18 < 1.123.18

n8n < 2.5.0 < 2.5.0

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-gf...
x_refsource_CONFIRM

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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